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U18C1 Code - Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus

- Code Popularity: 437 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U18C1?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Suspension Control Module
  • Suspension Control Module harness is open or shorted
  • Suspension Control Module circuit poor electrical connection
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How to Fix the DTC U18C1?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U18C1 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code U18C1 Description

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device. The Diagnostic Trouble Code (DTC) will set a supervised periodic message that includes the transmitter device availability that has not been received.

OBDII Code U18C1 - Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus - AutoCodes.com
U18C1 Code - Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus

Need More Information on the Code?

Need more information on how to fix the U18C1 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • U18C1 Buick Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus
  • U18C1 Cadillac Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus
  • U18C1 Chevrolet Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus
  • U18C1 GMC Lost Communication With Suspension Control Module On Chassis Expansion CAN Bus

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Code U18C1 comments

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